Posterior box isolation as an adjunctive ablation strategy with the second-generation cryoballoon for paroxysmal atrial fibrillation: a comparison with standard cryoballoon pulmonary vein isolation.
Cryoballoon
Left atrial posterior wall ablation
Paroxysmal atrial fibrillation
Pulmonary vein isolation
Journal
Journal of interventional cardiac electrophysiology : an international journal of arrhythmias and pacing
ISSN: 1572-8595
Titre abrégé: J Interv Card Electrophysiol
Pays: Netherlands
ID NLM: 9708966
Informations de publication
Date de publication:
Aug 2021
Aug 2021
Historique:
received:
16
04
2020
accepted:
29
06
2020
pubmed:
8
7
2020
medline:
19
8
2021
entrez:
8
7
2020
Statut:
ppublish
Résumé
The purpose of the study was to evaluate the impact of left atrial posterior wall isolation (LAPWI) in addition to pulmonary vein isolation (PVI) vs PVI alone, performed using CB-A, in patients with PAF on a midterm follow-up of 12 months. Eighty consecutive patients indicated to index cryoballoon ablation (CB-A) for the treatment of drug resistant PAF were included. The first 50 (62.5%) underwent PVI only, and the following 30 patients (37.5%) underwent LAPWI + PVI. Acute isolation was achieved in all PVs in both groups. The LAPW was successfully isolated in 29 out of 30 (97%) patients; in the remaining patient, adjunct radiofrequency ablation was required. The total procedure time and the mean fluoroscopy time were significantly shorter in patients who underwent PV isolation only (p < 0.001). The freedom from atrial fibrillation (AF) at 12 months was not significantly different between the 2 groups (LAPW + PVI = 90% vs PVI = 88%) (log-rank p = 0.816). LAPW ablation in addition to PVI by the means of CB-A does not seem to reduce the risk of AF recurrence if compared with the standard PVI on a midterm follow-up of 12 months.
Identifiants
pubmed: 32632544
doi: 10.1007/s10840-020-00812-z
pii: 10.1007/s10840-020-00812-z
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
313-319Informations de copyright
© 2020. Springer Science+Business Media, LLC, part of Springer Nature.
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